android实现widget时钟示例分享

2019-12-10 20:08:55于海丽

    public void onDisabled(Context context) {
        context.stopService(new Intent(context, TimerService.class));
    }
}

 

 

复制代码
package com.example.widget;

 

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

import android.annotation.SuppressLint;
import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.os.IBinder;
import android.widget.RemoteViews;

public class TimerService extends Service {
    private Timer timer;

    @Override
    public void onCreate() {    
        super.onCreate();
        timer = new Timer();
        timer.schedule(new MyTimerTask(), 0, 1000);
    }
    private final class MyTimerTask extends TimerTask{
        @SuppressLint("SimpleDateFormat")
        @Override
        public void run() {
            SimpleDateFormat sdf= new SimpleDateFormat("hh:mm:ss");
            String time = sdf.format(new Date());
            //获取Widgets管理器
              AppWidgetManager widgetManager =AppWidgetManager.getInstance(getApplicationContext());
            //widgetManager所操作的Widget对应的远程视图即当前Widget的layout文件
              RemoteViews remoteView = new RemoteViews(getPackageName(), R.layout.time_appwidget);
            remoteView.setTextViewText(R.id.textView, time);
            //当点击Widgets时触发的世界